76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
|
|
#ifndef AVUTIL_HWCONTEXT_DXVA2_H
|
|
#define AVUTIL_HWCONTEXT_DXVA2_H
|
|
|
|
/**
|
|
* @file
|
|
* An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
|
|
*
|
|
* Only fixed-size pools are supported.
|
|
*
|
|
* For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
|
|
* with the data pointer set to a pointer to IDirect3DSurface9.
|
|
*/
|
|
|
|
#include <d3d9.h>
|
|
#include <dxva2api.h>
|
|
|
|
/**
|
|
* This struct is allocated as AVHWDeviceContext.hwctx
|
|
*/
|
|
typedef struct AVDXVA2DeviceContext {
|
|
IDirect3DDeviceManager9 *devmgr;
|
|
} AVDXVA2DeviceContext;
|
|
|
|
/**
|
|
* This struct is allocated as AVHWFramesContext.hwctx
|
|
*/
|
|
typedef struct AVDXVA2FramesContext {
|
|
/**
|
|
* The surface type (e.g. DXVA2_VideoProcessorRenderTarget or
|
|
* DXVA2_VideoDecoderRenderTarget). Must be set by the caller.
|
|
*/
|
|
DWORD surface_type;
|
|
|
|
/**
|
|
* The surface pool. When an external pool is not provided by the caller,
|
|
* this will be managed (allocated and filled on init, freed on uninit) by
|
|
* libavutil.
|
|
*/
|
|
IDirect3DSurface9 **surfaces;
|
|
int nb_surfaces;
|
|
|
|
/**
|
|
* Certain drivers require the decoder to be destroyed before the surfaces.
|
|
* To allow internally managed pools to work properly in such cases, this
|
|
* field is provided.
|
|
*
|
|
* If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on
|
|
* it just before the internal surface pool is freed.
|
|
*
|
|
* This is for convenience only. Some code uses other methods to manage the
|
|
* decoder reference.
|
|
*/
|
|
IDirectXVideoDecoder *decoder_to_release;
|
|
} AVDXVA2FramesContext;
|
|
|
|
#endif /* AVUTIL_HWCONTEXT_DXVA2_H */
|